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Cyberonics Inc (NAS:CYBX)
Shiller P/E Ratio
29.71 (As of Today)

As of today, Cyberonics Inc's current share price is $55.56. Cyberonics Inc's E10 for the quarter that ended in Oct. 2014 was $1.87. Cyberonics Inc's Shiller P/E Ratio for today is 29.71.

CYBX' s 10-Year Shiller P/E Ratio Range
Min: 26.74   Max: 214.29
Current: 29.66

26.74
214.29

During the past 13 years, Cyberonics Inc's highest Shiller P/E Ratio was 214.29. The lowest was 26.74. And the median was 42.44.

CYBX's Shiller P/E Ratiois ranked higher than
91% of the 510 Companies
in the Global Medical Devices industry.

( Industry Median: 9999.00 vs. CYBX: 29.66 )

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller P/E calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.

Cyberonics Inc's adjusted earnings per share data for the three months ended in Oct. 2014 was $0.635. Since most companies do not have as long as 10 years history, here we use 6 years to calculate. Add all the adjusted EPS for the past 6 years together and divide 6 will get our E10, which is $1.87 for the trailing six years ended in Oct. 2014.


Definition

For the Shiller P/E, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller P/E is also called PE10.

The Shiller P/E was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

Cyberonics Inc's Shiller P/E Ratio for today is calculated as

Shiller P/E Ratio=Share Price/E10
=55.56/1.87
=29.71

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

Cyberonics Inc's E10 for the fiscal year that ended in Apr14 is calculated as:

For example, Cyberonics Inc's adjusted earnings per share data for the three months ended in Oct. 2014 was:

Adj_EPS=Earnigns per Share/CPI of Oct. 2014*CPI of Current
=0.64/237.433*235.51
=0.635

Since most companies do not have as long as 10 years history, GuruFocus uses 6 years to do the calculation.

Current CPI = 235.51.

Cyberonics Inc Quarterly Data

201207201210201301201304201307201310201401201404201407201410
per share eps 0.2900.4800.4700.4130.3100.5000.5100.6790.5000.640
CPI 229.104231.317230.280232.531233.596233.546233.916237.072238.250237.433
Adj_EPS 0.2980.4890.4810.4180.3130.5040.5130.6750.4940.635
201001201004201007201010201101201104201107201110201201201204
per share eps 0.2900.4090.2500.8800.2500.2560.2400.3200.3400.379
CPI 216.687218.009218.011218.711220.223224.906225.922226.421226.665230.085
Adj_EPS 0.3150.4420.2700.9480.2670.2680.2500.3330.3530.388
200901200904200907200910
per share eps 0.1500.2420.2301.730
CPI 211.143213.240215.351216.177
Adj_EPS 0.1670.2670.2521.885

Add all the adjusted EPS together and divide 6 will get our E10.


Explanation

Compared with the regular P/E ratio, which works poorly for cyclical businesses, the Shiller P/E smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller P/E should give similar results to regular P/E.

Compared with the P/S ratio, the Shiller P/E makes the comparison between different industries more meaningful.


Be Aware

The Shiller P/E assumes that over the long term, businesses and profitability revert to their means. If a company’s business model does not work in the future compared with the past, the Shiller P/E and P/S ratio will give false valuations.


Related Terms

P/E Ratio, P/B Ratio, P/S Ratio, Price-to-Free-Cash-Flow ratio, E10


Historical Data

* All numbers are in millions except for per share data and ratio. All numbers are in their own currency.

Cyberonics Inc Annual Data

Apr05Apr06Apr07Apr08Apr09Apr10Apr11Apr12Apr13Apr14
ShillerPE -84.89-28.17-22.33-18.86-18.454.84499.3760.4533.3634.00

Cyberonics Inc Quarterly Data

Jul12Oct12Jan13Apr13Jul13Oct13Jan14Apr14Jul14Oct14
ShillerPE 58.5550.2437.9433.3636.8537.9441.3734.0033.1928.03
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